7 x 12 (3 mil) Flat Poly Bags 1000/Case Bubble = 20% The back of the mailer

The back of the mailer is white opaque for printing the address and postage

Features a gusseted bottom to allow for thicker items such as binders

Dimensions shown are OUTSIDE dimensions

Colorful envelopes make your mailing stand out

oil and most chemicals

7 x 12 (3 mil) Flat Poly Bags 1000/Case Bubble = 20% The back of the mailerPoly bag opening is always on the width dimension which can be heat sealed, or closed with twist ties or bag tape All poly bag sizes meet FDA and USDA specifications for food. Your product's contents are always visible through these clear low density polyethylene bags. Our bags are manufactured from seamless poly tubing and are bottom sealed for extra strength, no side seals or slit seals.